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A client with cystic fibrosis (CF) presents with clubbed fingers during a routine examination. What should the nurse explain to the client regarding the significance of clubbing in CF?

"Clubbed fingers are a common cosmetic concern but do not indicate any medical issues in CF."

"Clubbing of the fingers can be a sign of advanced lung disease or decreased oxygen levels in CF."

"Clubbing occurs as a result of excessive sodium intake, which is often seen in CF patients."

"Clubbing is primarily associated with digestive problems in CF and does not affect the respiratory system."

Answer and Explanation

The Correct Answer is B

A) Incorrect. Clubbed fingers in CF can be more than a cosmetic concern and may indicate underlying medical issues.

B) Correct. Clubbing of the fingers can be associated with advanced lung disease or reduced oxygen levels in CF.

C) Incorrect. Clubbing is not related to excessive sodium intake in CF patients.

D) Incorrect. While CF can affect the digestive system, clubbing of the fingers is primarily associated with respiratory issues.

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Correct Answer is D

Explanation

A) Incorrect. Genetic testing is used to confirm CF but does not directly measure chloride ion concentration in sweat.

B) Incorrect. Chest X-rays may be used to assess lung changes in individuals with CF but are not used to measure chloride ion concentration in sweat.

C) Incorrect. Pulmonary function tests assess lung function but do not directly measure chloride ion concentration in sweat.

D) Correct. The sweat chloride test measures the concentration of chloride ions in sweat and is commonly used to confirm CF. Elevated sweat chloride levels are indicative of CF.

A. "CF primarily causes airway constriction due to inflammation." B. "In CF, the thickened mucus in the airways leads to chronic inflammation, infections, and lung damage." C. "CF results in the overproduction of surfactant, causing respiratory distress." D. "The CFTR protein in the lungs fails to produce enough oxygen for normal breathing."

Correct Answer is B

Explanation

A) Incorrect. While inflammation can be a consequence of CF, it is not the primary cause of airway constriction.

B) Correct. In CF, thickened mucus accumulates in the airways, leading to chronic inflammation, recurrent infections, and progressive lung damage.

C) Incorrect. CF does not result in the overproduction of surfactant, which is a substance that helps reduce surface tension in the lungs.

D) Incorrect. The CFTR protein does not produce oxygen but rather regulates chloride ion and water transport in the lungs

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A client with cystic fibrosis (CF) presents with clubbed fingers during a routine examination. What should the nurse explain to the client regarding the significance of clubbing in CF?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is educating a client about the diagnostic process for cystic fibrosis (CF). What diagnostic test measures the concentration of chloride ions in sweat and is often used to confirm CF?

Correct Answer is D

Explanation

A nurse is discussing the pathophysiological consequences of cystic fibrosis (CF) with a client. Which of the following best describes how CF affects the respiratory system?

Correct Answer is B

Explanation

A nurse is counseling a couple planning to start a family, and both partners have a family history of cystic fibrosis (CF). What should the nurse advise the couple regarding the genetic risk of having a child with CF?

A nurse is teaching a client with cystic fibrosis about airway clearance techniques. Which technique should the nurse recommend that the client perform daily?

A nurse is discussing the role of genetic testing in cystic fibrosis (CF) diagnosis with a client. What should the nurse emphasize regarding the importance of genetic testing for CF?

A nurse is discussing nutritional management with a client who has cystic fibrosis (CF). What dietary recommendation should the nurse emphasize to optimize nutritional intake in individuals with CF?

A client with suspected cystic fibrosis (CF) is undergoing diagnostic testing. What diagnostic procedure is often used to confirm CF by analyzing the genetic mutations present?

A nurse is educating a client about the diagnostic evaluation of cystic fibrosis (CF). What test is commonly used to screen for CF in newborns shortly after birth?

A nurse is assessing a client with cystic fibrosis. Which clinical manifestation is commonly associated with CF and should be monitored closely?

A nurse is explaining the diagnostic process for cystic fibrosis (CF) to a client and their family. What initial diagnostic test is often used to assess CF in infants who exhibit symptoms suggestive of the condition?